What materials can block sound?

What materials can block sound?

Besides these four common and economical noise control materials; barrier, RC channel/sound clips, foam mats, green glue, insulation, vibration pads, panels, soundproofing doors and windows etc., are also used to block the unwanted noise and sound.

What is the most soundproof material?

Mineral wool and fiberglass are the most common materials. It's a relatively easy and cost-effective way to improve the soundproofing of a room.